Revert "use maven to resolve offline karaf"

This reverts commit 7236befb4f42c47795e5294a1d8e74322af2b191.

Change-Id: I38a4a03a16140cf57659a3fd8dada90d54ef2894
diff --git a/lib/BUCK b/lib/BUCK
index 25237dc..4571be6 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -1,4 +1,4 @@
-# ***** This file was auto-generated at Thu, 21 Dec 2017 19:16:52 GMT. Do not edit this file manually. *****
+# ***** This file was auto-generated at Wed, 20 Dec 2017 22:01:23 GMT. Do not edit this file manually. *****
 # ***** Use onos-lib-gen *****
 
 pass_thru_pom(
@@ -1144,7 +1144,7 @@
 remote_file (
   name = 'apache-karaf',
   out = 'apache-karaf-offline-3.0.8.tar.gz',
-  url = 'mvn:org.onosproject:apache-karaf-offline:tar.gz:3.0.8',
+  url = 'https://repo1.maven.org/maven2/org/onosproject/apache-karaf-offline/3.0.8/apache-karaf-offline-3.0.8.tar.gz',
   sha1 = '2503c5853285e3414da15aef8d8f3f629747c927',
   visibility = [ 'PUBLIC' ],
 )